William Duzan, MD
Emergency Medicine Physician · Rochester, NY
William Duzan, MD is an emergency medicine physician with a practice address in Rochester, New York, and NPI 1942866744, issued on May 16, 2019. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Duzan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- DR.0067843 CO
Self-reported in NPPES; status is on the state search - Practice location
- 601 Elmwood Ave, Rochester, NY 14642
- Phone
- (585) 463-2940
- Enumerated
- May 16, 2019
- Record last updated
- Jul 22, 2022
- Medicare enrollment
- Enrolled (PECOS I20220719002762); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 601 Elmwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Duzan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average emergency medicine physician in 2024
233 Medicare Part D claims for 162 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Ondansetron Odt27 claims
- Hydrocodone-Acetaminophen19 claims
- Oxycodone-Acetaminophen18 claims
- Baclofen16 claims
- Doxycycline Hyclate14 claims
- Cephalexin13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Emergency Physicians OF The Rockies, PCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Duzan among 5,025 emergency medicine physician records in New York
William Duzan, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 79% of them.
- NPI issued2019 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2019 · median 2013 among the 3,232 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
232 emergency medicine physician records list a practice address in Rochester
They are 232 of the 20,520 NPPES records with a practice address in Rochester, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Rochester → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Adler, MDRochester, NY 146421477534923
- Brian Blyth, M.D.Rochester, NY 146421629002605
- Jeremy Cushman, M.D., M.S.Rochester, NY 146421073541546
- Breeana Gillett, PARochester, NY 146421265461776
- John Hilmi, M.D.Rochester, NY 146421568480978
- Michael Kamali, MDRochester, NY 146421912925132
- Flavia Nobay, MDRochester, NY 146421306826219
- Erik Rueckmann, MDRochester, NY 146421992739825
Common questions
What is William Duzan, MD's NPI number?
William Duzan, MD's National Provider Identifier (NPI) is 1942866744, issued on May 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is William Duzan, MD located?
The NPPES record lists a practice address at 601 Elmwood Ave, Rochester, NY, 14642. Phone: (585) 463-2940. Providers update this record themselves, so call before visiting.
How can I verify William Duzan, MD's license?
Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Duzan, MD prescribe under Medicare Part D?
In 2024, William Duzan, MD had 233 Medicare Part D claims for 162 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is William Duzan, MD's MIPS final score?
The 2023 MIPS final score is 88.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.